COMPARATIVE STUDY
JOURNAL ARTICLE

The role of sex on VARC outcomes following transcatheter aortic valve implantation with both Edwards SAPIEN™ and Medtronic CoreValve ReValving System® devices: the Milan registry

Gill Louise Buchanan, Alaide Chieffo, Matteo Montorfano, Francesco Maisano, Azeem Latib, Cosmo Godino, Micaela Cioni, Maria Angela Gullace, Annalisa Franco, Chiara Gerli, Ottavio Alfieri, Antonio Colombo
EuroIntervention 2011, 7 (5): 556-63
21930459

AIMS: To assess outcomes after transcatheter aortic valve implantation (TAVI) according to sex, with the two available valves and four recognised delivery approaches.

METHODS AND RESULTS: VARC outcomes are reported according to sex for 305 high-risk patients consecutively treated in our centre, via available access routes utilising the Edwards SAPIEN™/SAPIEN™ XT or the Medtronic CoreValve ReValving System® devices. Three hundred and five patients underwent TAVI: 52.1% male and 47.9% female. Females had a smaller body surface area (1.84±0.16 m² vs. 1.70±0.16 m²; p<0.001) and aortic annulus (24.4±1.6 mm vs. 22.6±1.7 mm; p<0.001) with increased symptoms (NYHA Class III/IV 61.6% vs. 73.6%; p=0.026). Conversely, men had more comorbidities: diabetes mellitus (35.2% vs. 21.9%; p=0.010), chronic kidney disease (41.8% vs. 23.3%; p=0.001), chronic obstructive pulmonary disease (45.3% vs. 30.1%; p=0.006) and previous myocardial infarction (28.3% vs. 14.4%; p=0.003). Thirty-day mortality was 4.7% with no difference between groups. There was a trend for females to develop more major vascular complications (11.9% vs. 19.9%; p=0.058). Notably, females required more blood transfusion (38.4% vs. 50.0%; p=0.041). No differences were observed in device success (92.5%; p=0.667), combined safety endpoint (61.8%; p=0.211) or combined efficacy endpoint (72.0%; p=0.889).

CONCLUSIONS: Female sex was a predictor of major vascular complications with females requiring more transfusion. No differences were noted amongst patients undergoing TAVI in composite safety and efficacy endpoints according to sex.

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